.modal-firma {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    /*padding-top: 200px; *//* Location of the box */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgb(0,0,0); /* Fallback color */
    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
    border: 1px solid red;
  }
  /* Modal Content */
  .modal-content-firma {
    background-color: #fefefe;
    margin: auto;
    padding:5px;
    border: 1px solid #888;
    /*width: 80%;*/
    /*position: relative*/
  }
  .modal-content-firma > div{
    position: relative
  }
  .fotter-modal{
    display: flex;
    justify-content: flex-end;
  }
  .fotter-modal > select{
    width: 170px;
    margin-right: 5px;
    margin-top: 5px;
  }
  .fotter-modal > button{
    width: 70px;
    margin-right: 5px;
    margin-top: 5px;
  }
  .fotter-modal  > button:nth-of-type(2) {
    margin-right: 0px;
} 
.body-modal > canvas{
  border: 1px solid #888
}
.body-modal > div{
  position: absolute;top:0px
}